Re: [PATCH v4 1/2] hung_task: Show the blocker task if the task is hung on mutex

[Waiman Long]

On 3/5/25 10:07 PM, Waiman Long wrote:
> On 3/5/25 9:32 PM, Masami Hiramatsu (Google) wrote:
> > > > +config DETECT_HUNG_TASK_BLOCKER
> > > > +	bool "Dump Hung Tasks Blocker"
> > > > +	depends on DETECT_HUNG_TASK
> > > > +	depends on !PREEMPT_RT
> > > > +	default y
> > > > +	help
> > > > +	  Say Y here to show the blocker task's stacktrace who acquires
> > > > +	  the mutex lock which "hung tasks" are waiting.
> > > > +	  This will add overhead a bit but shows suspicious tasks and
> > > > +	  call trace if it comes from waiting a mutex.
> > > > +
> > > >    config WQ_WATCHDOG
> > > >    	bool "Detect Workqueue Stalls"
> > > >    	depends on DEBUG_KERNEL
> > > Reviewed-by: Waiman Long<longman@xxxxxxxxxx>
> > Thanks Waiman! BTW, who will pick this patch?
> > Andrew, could you pick this series?
>
> Peter, do you mind routing this patch via Andrew?
Resend as plain text.

Regards,
Longman